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Man Made
Manhattan Project National Historical Park - B Reactor
the world's first full-scale plutonium production reactor guided tours inside the B Reactor structure are temporarily su...
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Man Made
M.T. Liggett Art Environment
Operating out of a dirt-floor barn using a plasma cutter and arc welder, he spent three decades turning scrap metal, far...
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Man Made
Larz Anderson Auto Museum
"America's Oldest Car Collection". Nestled inside the scenic 64-acre Larz Anderson Park, the museum is housed inside a s...
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+4
Man Made
Mont Saint-Michel
Mont-Saint-Michel is a tidal island and mainland commune in Normandy, France. The island lies approximately one kilometr...
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Man Made
Sunny Slope Rock Garden
A bunch of tiny buildings, rock fountains and weird masks built by Cleveland Thompson who died in 1978.
Not sure if ...
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Man Made
Droop mountain tunnel
This tunnel is 402 feet long and was built in 1900 for the Chesapeake & Ohio Railway. It now serves as part of the trail...
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+2
Man Made
Electron Hydroelectric Project
Discover Electron Hydroelectric Project - featuring manmade, river, flume, powerplant, hydro located in USA, Pennsylvani...
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Man Made
Snoqualmie Pass Train Tunnel
Discover Snoqualmie Pass Train Tunnel - featuring tunnel, train, rails to trails located in USA, Pennsylvania....
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Man Made
Kidds Mill Covered Bridge
Discover Kidds Mill Covered Bridge - featuring covered bridge, historic located in USA, Pennsylvania....
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Man Made
Moonville Tunnel
Discover Moonville Tunnel - featuring tunnel, train, rail to trail located in USA, Pennsylvania....
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Man Made
Langkawi sky bridge
Discover Langkawi sky bridge - featuring bridge, Malaysia located in USA, Pennsylvania....
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Man Made
Haiku Stairs
Discover Haiku Stairs - featuring hiking, stairs located in USA, Pennsylvania....
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